Study Protocol for Transcatheter Aortic Valve Replacement for a Degenerated Aortic Bioprosthesis in a Japanese Cohort
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Background: The valve-in-valve (VIV) procedure is being increasingly performed in high-risk patients with a degenerated bioprosthesis in an aortic position in Western countries. The early safety and efficacy of the VIV procedure, however, remain unclear in Ja... ...
